"""Settings for the OpenAI-backed MTG deck analysis layer."""

from odoo import api, fields, models
from odoo.exceptions import UserError, ValidationError

from .constants import (
    DEFAULT_MTG_OPENAI_API_BASE_URL,
    DEFAULT_MTG_OPENAI_ALTERNATIVE_CANDIDATE_LIMIT,
    DEFAULT_MTG_OPENAI_FILL_BATCH_SIZE,
    DEFAULT_MTG_OPENAI_FILL_CANDIDATE_LIMIT,
    DEFAULT_MTG_OPENAI_MODEL_NAME,
    DEFAULT_MTG_OPENAI_REQUEST_TIMEOUT_SECONDS,
    DEFAULT_MTG_OPENAI_ROLE_BATCH_SIZE,
)


class ResConfigSettings(models.TransientModel):
    """Expose OpenAI deck-analysis defaults through Odoo settings."""

    _inherit = "res.config.settings"

    mtg_openai_api_key = fields.Char(
        string="API Key",
        config_parameter="mvd_tcg_mtg_deck_openai.api_key",
    )
    mtg_openai_model_name = fields.Char(
        string="Default Model",
        config_parameter="mvd_tcg_mtg_deck_openai.model_name",
        default=DEFAULT_MTG_OPENAI_MODEL_NAME,
    )
    mtg_openai_api_base_url = fields.Char(
        string="OpenAI API Base URL",
        config_parameter="mvd_tcg_mtg_deck_openai.api_base_url",
        default=DEFAULT_MTG_OPENAI_API_BASE_URL,
    )
    mtg_openai_request_timeout_seconds = fields.Integer(
        string="OpenAI Request Timeout (s)",
        config_parameter="mvd_tcg_mtg_deck_openai.request_timeout_seconds",
        default=DEFAULT_MTG_OPENAI_REQUEST_TIMEOUT_SECONDS,
    )
    mtg_openai_role_batch_size = fields.Integer(
        string="Role Analysis Batch Size",
        config_parameter="mvd_tcg_mtg_deck_openai.role_batch_size",
        default=DEFAULT_MTG_OPENAI_ROLE_BATCH_SIZE,
    )
    mtg_openai_fill_candidate_limit = fields.Integer(
        string="Deck Fill Candidate Limit",
        config_parameter="mvd_tcg_mtg_deck_openai.fill_candidate_limit",
        default=DEFAULT_MTG_OPENAI_FILL_CANDIDATE_LIMIT,
    )
    mtg_openai_fill_batch_size = fields.Integer(
        string="Deck Fill Batch Size",
        config_parameter="mvd_tcg_mtg_deck_openai.fill_batch_size",
        default=DEFAULT_MTG_OPENAI_FILL_BATCH_SIZE,
    )
    mtg_openai_alternative_candidate_limit = fields.Integer(
        string="Alternative Candidate Limit",
        config_parameter="mvd_tcg_mtg_deck_openai.alternative_candidate_limit",
        default=DEFAULT_MTG_OPENAI_ALTERNATIVE_CANDIDATE_LIMIT,
    )

    @api.constrains("mtg_openai_api_base_url")
    def _check_mtg_openai_api_base_url(self):
        """Restrict the OpenAI connector to the official HTTPS API host."""
        for settings in self:
            try:
                self.env["mvd.tcg.deck"]._mtg_openai_validate_base_url(
                    settings.mtg_openai_api_base_url
                )
            except UserError as exc:
                raise ValidationError(str(exc)) from exc